2018 BMW 320i
28MPG
Combined
2
Trims
← 2017
2018
Updated February 27, 2026
The 2018 BMW 320i Compact Sedan provides 27–28 combined MPG depending on trim. We’ve compiled EPA fuel economy data, NHTSA safety ratings, and recall history so you can make an informed decision.
2018 BMW 320i Specifications
| Spec | Value |
|---|---|
| Combined MPG | 27–28 combined MPG depending on trim |
| City MPG | 24 |
| Highway MPG | 35 |
| Body Style | Compact Sedan |
| Fuel Type | Premium |
| Drive | RWD |
| Available Trims | 2 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| 4 cyl | 24/35/28 | 2.0L 4cyl | Automatic (S8) |
| Man | 23/35/27 | 2.0L 4cyl | Manual 6-spd |
Annual Fuel Cost
Based on EPA estimates, the 2018 BMW 320i costs approximately $2,125 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
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